1. Advanced Forming Research Centre; University of Strathclyde; 85 Inchinnan Drive Renfrew PA4 9LJ United Kingdom
2. Design, Manufacture and Engineering Management; University of Strathclyde; James Weir Building 75 Montrose Street Glasgow G1 1XJ United Kingdom
3. Institute of Non-Ferrous Metals in Gliwice; Light Metals Division; ul. Pilsudskiego 19 32-050 Skawina Poland
4. Institute of Manufacturing Technologies; Warsaw University of Technology; ul. Narbutta 85 02-524 Warsaw Poland